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Oldham OLCT 100 and OLC 100 Fixed Gas Detector

  4-20 mA analog transmitter without display
  SIL2 capability for LEL, O2, CO, H2S, NH3, CO2
  Detects combustible, toxic or refrigerant gases and O2
  Available with electrochemical, infrared or semi-conductor sensors
  Designed for industrial applications
  Available in explosion-proof or intrinsically safe versions, and stainless steel
  New XP IR infrared sensor or catalytic sensor
  A high-temperature version allows operation up to 200C

The Oldham OLCT 100 and OLC 100 Fixed Gas Detector has been built in order to detect explosive gases, toxic gases or oxygen. With a Wheatstone bridge output (OLC 100) or 4-20mA output (OLCT 100), the Oldham OLCT 100 and OLC 100 are suitable for every application, with product versions designed specifically for catalytic, electrochemical, semiconductor, or poison control.

With the benefit of ATEX approval, the Oldham OLCT 100 and OLC 100 are available in explosion safe or intrinsically safe versions.

An infrared sensor is available in addition to this range. This sensor allows use in a much more severe types of environment, where the presence of poisons could harm the use of a catalytic sensor.

The product versions include:

OLCT 100 XP: Explosion-proof version and equipped with a catalytic, electrochemical or semiconductor sensor, for detection of explosive, toxic gases or oxygen.

OLCT 100 IS: Intrinsically safe version and equipped with an electrochemical sensor for detection of toxic gases or oxygen.

OLCT 100 XP IR: Explosion-proof version and equipped with an infrared sensor for detection of explosive gases or CO2.

OLCT 100 XP HT: High temperature explosion-proof version, for detection of explosive gases up to 200C.

Oldham OLCT 100 and OLC 100 Fixed Gas Detector


Data Sheet

Model OLC 100 OLCT 100 XP OLCT 100 XP IR OLCT 100 XP OLCT 100 XP HT OLCT 100 XP OLCT 100 IS
Sensor Catalytic bead Catalytic bead Infrared Electrochemical Catalytic bead Semi-conductor Electrochemical
Dimensions (mm) (inches) 135 x 133 x 84 5.43 x 5.24 x 3.31" 135 x 133 x 84 5.43 x 5.24 x 3.31" 179 x 135 x 84 7.05 x 5.43 x 3.31" 179 x 135 x 84 7.05 x 5.43 x 3.31" 150 x 135 x 84 5.91 x 5.43 x 3.31" 179 x 135 x 84 7.05 x 5.43 x 3.31" 179 x 135 x 84 7.05 x 5.43 x 3.31"
Weight (kg) 0.95 1 1.1 1.1 1.8 1.1 1.1
Ingress Protection IP66 IP66 IP66 IP66 IP66 IP66 IP66
Cable Entry M20 or NPT M20 or NPT M20 or NPT M20 or NPT M20 or NPT M20 or NPT M20 or NPT
Supply Voltage only by OLDHAM Controller 15.5 to 32 VDC 13.5 to 32 VDC 10 to 32 VDC 15.5 to 32 VDC 15.5 to 32 VDC 15.5 to 32 VDC
Average Consumption 340 mA 110 mA 80 mA 23.5 mA 100 mA 100 mA 23.5 mA


Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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Keison International Ltd. trading as:
Keison Products, VoIPon Solutions & 4Gon
keison VoIPon Solutions 4Gon